Kawaguchi, Sena
Current rating: 1499
Record: 6-6
| Grand Prix Shizuoka 2017 (AER standard) | starting rating: 1520 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 708 | Saito, Atsuto (1434) | Won 2-0 | +161536 |
| 2standard | 289 | Okada, Masakazu (1517) | Lost 0-2 | -181518 |
| 3standard | 783 | Matsumoto, Takuya (1463) | Won 2-1 | +171535 |
| 4standard | 480 | Shoji, Tatsuro (1550) | Lost 0-2 | -181517 |
| 5standard | 760 | Yakuwa, Kathuhiko (1498) | Lost 0-2 | -181499 |
| average opponent: 1493record: 2-3 | new rating: 1499 | |||
| Grand Prix Shizuoka 2015 (KTK limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 635 | Nakagawa, Masayuki (1500) | Won 2-0 | +181518 |
| 2sealed | 832 | Oshima, Takafumi (1521) | Lost 0-2 | -181500 |
| 3sealed | 1000 | Hayakawa, Norio (1537) | Won 2-1 | +191519 |
| 4sealed | 790 | Hamaguchi, Shoji (1504) | Won 2-1 | +171536 |
| 5sealed | 712 | Ishizuka, Shoji (1585) | Won 2-0 | +191555 |
| 6sealed | 678 | Oh, Asato (1566) | Lost 1-2 | -171538 |
| 7sealed | 770 | Nomura, Takashi (1537) | Lost 1-2 | -181520 |
| average opponent: 1536record: 4-3 | new rating: 1520 | |||